ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,916, issued on Feb. 17.
"System for measuring skew and speed of an arrow" was invented by Daniel Loikits (Grafton, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An archery tuning apparatus includes two light detection units, each comprising a line laser source emitting a planar fan of laser light and a curved array of spaced-apart light sensors. The units are configured with parallel laser fans, creating an overlap target region when viewed along a normal axis. The curved sensor arrays, with radii of curvature approximating their irradiation distances, optimize detection accuracy. Integrated circuitry and software collect and analyze data from...